PX4/jMAVSim

What It Solves

Need a lightweight, low-fidelity multirotor simulator that supports MAVLink-based SITL testing for PX4 flight stack development, without the complexity of full physics engines.

Primary use cases

• Simulator backend for PX4 SITL in CI or local development
• MAVLink telemetry and command verification
• Education and initial PX4 onboarding

Secondary use cases

• Headless automated testing of PX4 flight logic
• Integration testing with ground control software

When to Use

Consider when

• Your work focuses on simple multirotor models only
• You need a fast, low-resource simulation environment
• You plan to use PX4 flight stack as the autopilot

Verify before adopting

• ? Check current jMAVSim version compatibility with your target PX4 release
• ? Confirm Java runtime requirements and platform support
• ? Assess whether simulation fidelity meets your test objectives

Where It Fits

Stack layer simulation

Start Here

Adoption Checklist

• Needs verification Check current jMAVSim version compatibility with your target PX4 release
• Needs verification Confirm Java runtime requirements and platform support
• Needs verification Assess whether simulation fidelity meets your test objectives

Each check stays "needs verification" until an official source confirms it; unconfirmed items are never marked verified.

Known Limitations & Unknowns

Known limitations

• Supports only multirotor vehicles (no fixed-wing or VTOL)
• Low-fidelity physics and rendering
• Limited environment and sensor simulation

Alternatives & Related Tools

Related tools

• px4-autopilot — Integrates with
• mavlink — Supports
• mavlink — Integrates with

How is it used?

Start from the recorded entry points below, then validate against the technical checklist.

• Official site https://github.com/PX4/jMAVSim
• Repository https://github.com/PX4/jMAVSim
• Documentation https://github.com/PX4/jMAVSim

Technical checklist

• OK License identified Recorded: BSD-3-Clause
• OK Maintenance signal Active
• OK Verification status Official confirmed
• OK Source evidence attached 1 source record(s)
• NEEDS REVIEW Latest version recorded Not recorded

Official Links

Metadata & Governance

Related Resources & Dependencies

• px4-autopilot — integrates with (confirmed)
• mavlink — supports (confirmed)
• mavlink — integrates with (confirmed)

Recent Activity

Related Knowledge

Guides

• Setting Up a PX4 SITL Loop with Gazebo — Build a local PX4 software-in-the-loop environment with Gazebo and QGroundControl.

Collections

• PX4 Development and Simulation Toolkit — The components needed to build a local PX4 development and software-in-the-loop verification loop.
• Simulation and Mapping Toolchains — Open-source simulation and mapping repositories used for development, testing and survey workflows.